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Rails: How does the respond_to block work?
...ts in a json object sent from the server.
This is very handy for making javascript heavy applications that need to pass json back and forth from the server. If you wanted, you could easily create a json api on your rails back-end, and only pass one view - like the index view of your Post control...
When to call activity context OR application context?
...plicationContext() (or getBaseContext(), to a lesser extent) because their Java experience is limited. They implement an inner class (e.g., an OnClickListener for a Button in an Activity) and need a Context. Rather than using MyActivity.this to get at the outer class' this, they use getApplicationCo...
What is Castle Windsor, and why should I care?
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And to help the Java folks: This is Guice for .NET ;-)
– Mark Renouf
May 16 '09 at 22:10
5
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Proper REST response for empty table?
...oin, then this is what they want. It’s like an emply List<Coin> in Java, instead of null.
– Franklin Yu
Sep 4 '19 at 18:34
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Unit testing code with a file system dependency
...ving to check how it does it. One example might be something like this (in Java):
interface StreamFactory {
OutputStream outStream();
InputStream inStream();
}
class Base64FileWriter {
public void write(byte[] contents, StreamFactory streamFactory) {
OutputStream outputStream =...
Why do people say that Ruby is slow? [closed]
...magnitude
Ruby 1.9 vs. PHP within the same order of magnitude
Ruby 1.9 vs. Java 6 server up to two orders of magnitude slower!
Ruby 1.9 vs. C (gcc) up to two orders of magnitude slower!
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Why is Ruby considered slow?
Depends on whom you ask. You could be told that:
Ruby is an interpreted...
ASP.NET Web API Authentication
...as about. I would recommend you start a new thread explicitly tagging with Java and Android in which you ask about how to write an HTTP client which sends requests using cookies.
– Darin Dimitrov
Jun 13 '12 at 12:49
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Differences between dependencyManagement and dependencies in Maven
...ir way into the dependency tree indirectly. As an example, in chasing down javax.cache.cache-apI, I discovered a significantly newer version 1.0.0 (versus 0.3.0) that may as well be used throughout.
– David A. Gray
Sep 27 '17 at 21:16
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What is object slicing?
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C++ is not Java! If wantAnA (as its name implies!) wants an A, then that's what it gets. And an instance of A, will, uh, behave like an A. How is that surprising?
– fgp
Jan 22 '13 at 16:39
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How can I ensure that a division of integers is always rounded up?
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All the answers here so far seem rather over-complicated.
In C# and Java, for positive dividend and divisor, you simply need to do:
( dividend + divisor - 1 ) / divisor
Source: Number Conversion, Roland Backhouse, 2001
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